Can a self-proclaimed novice break her single-style rut and create three weeks of head-turning hair? ELLE fashion assistant Kristen Shirley gets to work

I'm not usually experimental when it comes to my hair. I know what I like, and I like straight. My hair is naturally curly, so I'm a slave to the flatiron, but I stick with what I think looks best on me.

Mix Master: 21 Days of Trendy Hairstyles

Mix Master: 21 Days of Trendy Hairstyles

Ashley Olsen or prohibition flapper? Maybe neither, but I get so many compliments on my jeweled headband that I calculate how often I can wear it without overwearing it—math usually reserved for my favorite handbag. Maybe I can get into this hair thing, after all.